package demo;

public class KeyBoard implements IUSB{
    @Override
    //重写打开
    public void open() {
        System.out.println("键盘打印开始");
    }
    //重写关闭
    @Override
    public void close() {
        System.out.println("键盘打印结束");
    }
    //键盘的操作
    public void keyBoardSerive() {
        System.out.println("打印中~~~~");
    }
}
